Wikimedia Commons

File:TROJAN MILL, PRIMARY THICKENER No. 1 FROM WEST, c. 1914. TANK BARREL IS COMPLETE, BUT ADDITION ENCLOSURE NOT YET BEGUN. SAMPLING ADDITION SOUTH OF CRUSHED ORE BIN (CHANGE OF HAER SD,41-LEAD.V,1-5.tif

Original file ‎(3,978 × 5,000 pixels, file size: 18.97 MB, MIME type: image/tiff)

Captions

Captions

Add a one-line explanation of what this file represents

Summary edit

Title
TROJAN MILL, PRIMARY THICKENER No. 1 FROM WEST, c. 1914. TANK BARREL IS COMPLETE, BUT ADDITION ENCLOSURE NOT YET BEGUN. SAMPLING ADDITION SOUTH OF CRUSHED ORE BIN (CHANGE OF SIDING COLOR SHOWN AS COMPLETE. ROCK BIN VISIBLE ON FAR RIGHT. CREDIT WR. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD
Description
Trojan Mining Company; Bald Mountain Mining Company; American Eagle Mining Company; Eve, David, historian
Depicted place South Dakota; Lawrence County; Lead
Date Documentation compiled after 1968
Dimensions 4 x 5 in.
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER SD,41-LEAD.V,1-5
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

Notes
  • Significance: The technology used at Bald Mountain Gold Mill provides an excellent illustration of the development of the cyanide process of gold milling in the first half of the twentieth century. Historically this site was of great economic and social importance to the Black Hills region of South Dakota.
  • Unprocessed Field note material exists for this structure: N790
  • Survey number: HAER SD-2
  • Building/structure dates: 1907- 1959 Initial Construction
  • Building/structure dates: 1910 Subsequent Work
  • Building/structure dates: 1920 Subsequent Work
  • Building/structure dates: 1942 Subsequent Work
Source https://www.loc.gov/pictures/item/sd0019.photos.189325p
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current21:59, 1 August 2014Thumbnail for version as of 21:59, 1 August 20143,978 × 5,000 (18.97 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 2014-08-01 (3201:3400)

You cannot overwrite this file.

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:TROJAN_MILL,_PRIMARY_THICKENER_No._1_FROM_WEST,_c._1914._TANK_BARREL_IS_COMPLETE,_BUT_ADDITION_ENCLOSURE_NOT_YET_BEGUN._SAMPLING_ADDITION_SOUTH_OF_CRUSHED_ORE_BIN_(CHANGE_OF_HAER_SD,41-LEAD.V,1-5.tif&oldid=283742088"